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8
4. TROUBLESHOOTING
If the unit does not work properly:
ERV100SP unit: Turn off the unit using its main control, reset the unit by unplugging it for one minute and then replug it.
ERV100S unit: Turn off the unit using the integrated push-button, reset the unit by unplugging it for one minute and then replug it.
All units: If it still not working properly, refer to table below.
PROBLEMS TRY THIS
1. Nothing works. • See if the unit is plugged in.
• See if the unit is receiving power from the house circuit breaker or fuse.
2. Condensation on windows
(air too humid).
• Operate the unit on maximum speed ventilation until the situation is corrected.
• Leave curtains half-open to allow air circulation.
• Store all firewood in a closed room with a dehumidifier or in a well ventilated room, or store the
wood outdoors.
• Do not adjust the thermostat of your heating system below 64°F.
3. Inside air too dry. • Temporarily use a humidifier.
• Operate the unit in recirculation mode (if available).
4. Air too cold at the air supply
grille.
• Check if the exterior hood(s) is (are) not blocked.
• Operate the unit in low speed ventilation or in intermittent or recirculation mode (if available).
• Install a duct heater.
5.
A. The LED of the integrated
control is blinking RED
(one blink every second).
• There is a problem with one of the motors. The unit is OFF. Contact your installer.
B. The LED of the integrated
control is blinking RED
(2 blinks per second,
faster blink).)
• When outdoor temperature is colder than -13°F, it could be normal for the unit to enter in
Protection Mode. Unit exhaust air without entering fresh air for a 2-hour period, then resume to
its previous operation mode and stops flashing RED. If LED continues to flash RED when back
to previous mode, contact your installer.
6.
A. The LED of the integrated
control is blinking GREEN
(2 blinks every 2 seconds).
• There is a problem with the cold side thermistor. The unit is still working, but will defrost
frequently. Contact your installer.
B. The LED of the integrated
control is blinking GREEN
(2 blinks per second,
faster blink).
• There is a problem with the warm side thermistor. The unit is OFF. Contact your installer.
7. The LED of the integrated
control is blinking AMBER
(ERV100SP unit only).
• There is a problem with the damper system.
Contact your installer.
8. The push button on integrated
control or integrated defrost
control does not work.
• The 30-second boot sequence is not completed. According to the unit, see 2.1 or 2.2 on page 4.
• If the booting sequence is completed and the push button still doesn’t work, contact your installer.
For wall controls problems, refer to the Troubleshooting section in the Main and auxiliary wall controls user guide (included with the
ventilation unit and also available at www.broan.com).
If the problem is still not solved, contact your installer.